Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2018 9 14.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 09/15/2018   01:04:06   (  -0.25,-135.33) (   0.56,-131.85)  398.10                80
 09/16/2018   13:34:09   (   0.20,-135.46) (   1.20,-139.69)  483.49                80
 09/17/2018   13:22:34   (   0.21,-135.48) (   0.55,-136.86)  158.43                80
 09/18/2018   13:13:40   (   0.22,-135.50) (  -0.09,-134.04)  166.52                80
 09/19/2018   13:02:06   (   0.22,-135.52) (  -0.80,-131.23)  491.30                80
 09/21/2018   01:32:26   (  -0.17,-135.47) (  -1.00,-139.14)  418.16                80
 09/22/2018   01:20:51   (  -0.18,-135.49) (  -0.40,-136.30)   93.41                80
 09/23/2018   01:11:57   (  -0.18,-135.51) (   0.27,-133.48)  231.25                80
 09/25/2018   13:30:26   (   0.14,-135.64) (   0.79,-138.51)  327.32                80
 09/26/2018   13:21:32   (   0.15,-135.66) (   0.14,-135.69)    4.10                80
 09/27/2018   13:09:57   (   0.16,-135.67) (  -0.51,-132.86)  320.60                80